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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1068979
-->
<head>
  <title>Test for Bug 1068979</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1068979">Mozilla Bug 1068979</a>
<p id="display"></p>
<div id="content">
  <div id="editor1" contenteditable="true">&#x1d400;</div>
  <div id="editor2" contenteditable="true">a<u>&#x1d401;</u>b</div>
  <div id="editor3" contenteditable="true">a&#x1d402;<u>b</u></div>
</div>
<pre id="test">
<script type="application/javascript">

/** Test for Bug 1068979 **/

SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  // Test backspacing over SMP characters pasted-in to a contentEditable
  getSelection().selectAllChildren(document.getElementById("editor1"));
  var ed1 = document.getElementById("editor1");
  var ch1 = ed1.textContent;
  ed1.focus();
  synthesizeKey("C", {accelKey: true});
  synthesizeKey("V", {accelKey: true});
  synthesizeKey("V", {accelKey: true});
  synthesizeKey("V", {accelKey: true});
  synthesizeKey("V", {accelKey: true});
  is(ed1.textContent, ch1 + ch1 + ch1 + ch1, "Should have four SMP characters");
  sendKey("back_space");
  is(ed1.textContent, ch1 + ch1 + ch1, "Three complete characters should remain");
  sendKey("back_space");
  is(ed1.textContent, ch1 + ch1, "Two complete characters should remain");
  sendKey("back_space");
  is(ed1.textContent, ch1, "Only one complete SMP character should remain");
  ed1.blur();

  // Test backspacing across an SMP character in a sub-element
  getSelection().selectAllChildren(document.getElementById("editor2"));
  var ed2 = document.getElementById("editor2");
  ed2.focus();
  sendKey("right");
  sendKey("back_space");
  sendKey("back_space");
  is(ed2.textContent, "a", "Only the 'a' should remain");
  ed2.blur();

  // Test backspacing across an SMP character from a following sub-element
  getSelection().selectAllChildren(document.getElementById("editor3"));
  var ed3 = document.getElementById("editor3");
  ed3.focus();
  sendKey("right");
  sendKey("left");
  sendKey("back_space");
  is(ed3.textContent, "ab", "The letters 'ab' should remain");
  ed3.blur();

  SimpleTest.finish();
});

</script>
</pre>
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